Who's running and who could run 2016?

Sen. Ted Cruz officially announced his candidacy for the 2016 presidential race on March 23. Check out some other likely candidates, according to the Wall Street Journal and International Business Times.

An Iranian military observation aircraft flew within 50 yards of an armed U.S. Navy helicopter over the Persian Gulf this month, sparking concern that top Iranian commanders might not be in full control of local forces, CNN has learned.